char* str="hello,world\n";
int count=0;
void main() {
    asm("pusha;\
    movl $4, %eax;\
    movl $1, %ebx;\
    movl str, %ecx;\
    movl $12, %edx;\
    int $0x80;\
    mov %eax, count;\
    popa\
    ");
}